This factory produces machine tools.Machine tools ＿＿＿ ＿＿＿in this factory.
举一反三
- The factory has produced a new kind of ____. A: machine B: machines C: a machine D: the machine
- There are five basic types of machine tools such as lathe or turning machine, drilling or boring machine, milling machine, shaper or planer, and grinder.
- Their factory has developed a kind of ___ to help people walk. A: machine B: machines C: a machine D: the machine
- Several machine tools are directly controlled by a central computer, this is the _________.
- Their factory has developed a kind of ______to help people walk. A: [A] the machine B: machines C: machine